Eaton HMDLB3800 - 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton HMDLB3800 is a 600 V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. With a compact molded-case footprint, it helps you maximize panel space while maintaining robust protection for three-phase circuits.

Why this breaker stands out

• Compact molded-case design minimizes panel footprint without compromising protection, making it ideal for crowded power distribution spaces in commercial and light industrial environments.
• Thermal-magnetic trip unit provides stable, repeatable protection for both gradual overloads and instantaneous short circuits, reducing nuisance trips and safeguarding wiring and equipment.
• 3-pole configuration ensures synchronized protection across all three phases, essential for balanced three-phase loads and critical equipment.
• OEM-ready compatibility is designed to work with matching Eaton OEM loadcenters and panelboards, simplifying replacement and ensuring reliable operation within existing systems.
• Versatile application suited for residential, commercial, and light industrial settings where reliable 600 V three-phase protection is required.

Technical snapshot

• Manufacturer: Eaton
• Part Number: HMDLB3800
• Type: Thermal-magnetic molded case circuit breaker
• Voltage Rating: 600 V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

• Three-phase power feeds in commercial buildings, such as lighting, HVAC, and auxiliary equipment rooms
• Industrial-light setups where compact protection is needed without sacrificing performance
• Replacement or upgrades in panelboards and loadcenters that require dependable, OEM-compatible protection

Practical insights and tips

• Choose the HMDLB3800 when you need synchronized protection across all three phases for balanced three-phase loads.
• Pair this breaker with compatible Eaton OEM load centers and panelboards to ensure optimal fit and performance.
• Use in applications where a thermal-magnetic trip provides fast, reliable responses to short circuits while smoothly handling overload conditions.
• Verify system voltage and pole requirements in your panel to ensure proper alignment with 600 V, 3-pole protection.